Pharmacology Oral anticoagulant causes all except: March 2012 A Interference with synthesis of vitamin K dependent clotting factors B Anticoagulant effect both in vivo and in vitro C Hematuria D Internal haemorrhage2 💡 Explanation Oral anticoagulant causes all except: March 2012 ✓ Correct Answer: B. Anticoagulant effect both in vivo and in vitro